Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.043 mH 1.182 mH 1.093 mH 1.232 mH 1.043 mH 1.182 mH 1.093 mH 1.232 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.13 1.25 0.89 1 1.13 1.25 0.89 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 less than 1 1 greater than 1 0 less than 1 1 greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 15 - 20 %. 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. 15 - 20 %. 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
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